Q: What is the sum of all factors of the number 66,601,780 excluding 66,601,780?

A: 96,099,248

Why is 96,099,248 the sum of all factors of 66,601,780, excluding 66,601,780?

The factors of the number 66,601,780 are: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 67961, 135922, 271844, 339805, 475727, 679610, 951454, 1359220, 1902908, 2378635, 3330089, 4757270, 6660178, 9514540, 13320356, 16650445, 33300890, 66601780.

If you add them up, you will get the total of 66,601,876. Now subtract 66,601,780 to get 96,099,248